Finding the Fourth Proportional to 91,196.69, 125,909.10 and 62,564.27

Step by Step Solution

1. Step 1: Write the proportion equation
   91,196.69 : 125,909.10 = 62,564.27 : x
2. Step 2: Convert to fraction form
   91,196.69/125,909.10 = 62,564.27/x
3. Step 3: Cross multiply
   91,196.69x = 125,909.10 × 62,564.27
4. Step 4: Simplify right side
   91,196.69x = 7,877,410,298.31
5. Step 5: Solve for x
   x = 7,877,410,298.31/91,196.69
6. Step 6: Final answer
   x = 86,378.25